veornica veornica
  • 05-04-2021
  • Mathematics
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Find the surface area of the regular pyramid. 14mm and height is 11.

Find the surface area of the regular pyramid 14mm and height is 11 class=

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wchin wchin
  • 05-04-2021

Answer:

504

Step-by-step explanation:

TSA (total surface area) = 1/2(p)(l) + B

p (perimeter) = 4(14) = 56

l (slant length) = 11

B (area of vase) = 14(14) = 196

TSA = 1/2 (56) (11) + 196

= 28(11) + 196

= 308 + 196

= 504

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